You should not change the Country of origin as those Countries also use 220V, 50 Hz. supplies - Miele Technicians carry the Interface RigAll of the adjustments can be made by manual input, unless programs have been reflashed from factory ($$$)Those heaters, being 120V, are not nearly as effective as the 240V predecessors (or the smaller versions)P/M'd 2 other documents (which are now in "Kool Stuff")